tready条约
treadn.步法;踏面;胎面花纹;鞋底v.踩;行走;践踏;(鸟类)交配
tread upon eggsvi.如履薄冰(瞻前顾后;战战兢兢)
tread a measurevi.跳舞(合着拍子跳舞)
treading stress切轨应力
tread separation胎面分层
tread under footadj.践踏(蹂躏;虐待)
tread the boardsvi.上舞台(当演员)
tread detachment胎面剥离
tread this earth生活在世界上
tread horse gear踏动式畜力传动装置